Analysis of FTIR spectrum of different accelerated pipeline coatings materials / B. Duari in PAINTINDIA, Vol. LX, N° 6 (06/2010)

[article]  inPAINTINDIA > Vol. LX, N° 6 (06/2010) Titre : Analysis of FTIR spectrum of different accelerated pipeline coatings materials Type de document : texte imprimé Auteurs : B. Duari, Auteur ; B. Chaudhuri, Auteur ; C. Bhattacharya, Auteur Année de publication : 2010 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Décollement cathodique (revêtement) Essais accélérés (technologie) Essais de brouillard salin Fourier, Spectroscopie infrarouge à transformée de Pipelines Revêtements -- Détérioration Index. décimale : 667.9 Revêtements et enduits Résumé : Pipeline coating material such as coaltar enamel, coal tar tape, coal tar epoxy, high build epoxy polyurethane, cold applied PE tapes and 3 layer polyethylene are prepared as tape/film and their reflectance IR Spectrum were recorded. These seven pipeline coating materials are further subjected to accelerated cathodic disbondment test as per ASTM Standards and IR Spectrum were also recorded for these disbonded portions of coating. The comparative studies were done of IR Spectrum data for each film before and after salt spray & cathodic disbondment and assessment were made about degradation of different resin system. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9838 [article]

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Effect of water vapour permeability on cathodic disbondment of pipeline coating materials / B. Duari in PAINTINDIA, Vol. LXI, N° 5 (05/2011)

[article]  inPAINTINDIA > Vol. LXI, N° 5 (05/2011) . - p. 66-68 Titre : Effect of water vapour permeability on cathodic disbondment of pipeline coating materials Type de document : texte imprimé Auteurs : B. Duari, Auteur ; D. Sarkar, Auteur Année de publication : 2011 Article en page(s) : p. 66-68 Langues : Anglais (eng) Catégories : Essais accélérés (technologie) Essais de brouillard salin Perméabilité Pipelines -- Revêtements protecteurs Revêtements protecteurs -- Détérioration Index. décimale : 667.9 Revêtements et enduits Résumé : Cathodic protection (CP) is widely used internationally as a major corrosion mitigation technique in pipeline integrity. The use of protective coatings in conjunction with cathodic has been an extensive record of proven performance in the protection structure including underground pipelines, ships, underground storage tanks, pipings, and tank bottoms. The use of both a protective coating and a cathodic protection system presents unique design, installation and maintenance consideration. However, if the coating is not properly chosen there will be premature failure of adhesion between a coating and the material substrate which directly attributed to cathodic protection conditions. This paper will discuss about the correlation of vapour permeability with the extent of cathodic disbondment of different coating materials under accelerated conditions. Note de contenu : 1. Sample preparation 2. Method followed for salt spray test (fog test) 3. Method followed for cathodic disbondment test of accelerated coating materials 4. Method followed for water vapour permeability for the accelerated coating material OBSERVATIONS : 1. Analysis of the effect of salt spray (fog)test & cathodic disbondment test - 2. Analysis of the effect of salt spray (fog)test & water vapour permeability Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11846 [article]

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